$329+ Cheap flights from Oakland, CA (OAK) to Barcelona
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Oakland to Barcelona with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oakland to Barcelona
Cheapest
Best
Last-minute
One-way
Cheapest flights from Oakland to BarcelonaExplore the most affordable flight options available from Oakland to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Oakland to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:04 am -
2 stops18h 41m
Wed 10/2812:00 pm -
2 stops29h 19m
Deal found 9/8![Multiple Airlines logo]()
$691
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:55 am -
2 stops17h 45m
Thu 12/310:35 am -
2 stops22h 28m
Deal found 9/7![Delta logo]()
$711
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:55 am -
2 stops23h 05m
Wed 12/21:10 pm -
2 stops36h 12m
Deal found 9/7![Delta logo]()
$715
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:02 pm -
2 stops54h 58m
Mon 10/1911:10 am -
2 stops45h 46m
Deal found 9/7![Delta logo]()
$717
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:55 am -
2 stops25h 35m
Thu 12/310:35 am -
2 stops22h 28m
Deal found 9/7![Delta logo]()
$719
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:55 am -
2 stops21h 20m
Wed 12/21:10 pm -
2 stops36h 12m
Deal found 9/7![Delta logo]()
$720
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops17h 45m
Wed 12/910:50 am -
2 stops22h 13m
Deal found 9/6![Delta logo]()
$761
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops26h 05m
Tue 12/810:35 am -
2 stops22h 28m
Deal found 9/7![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops23h 05m
Mon 12/71:10 pm -
2 stops43h 53m
Deal found 9/8![Delta logo]()
$766
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:02 pm -
2 stops33h 08m
Mon 10/1911:10 am -
2 stops45h 46m
Deal found 9/7![Delta logo]()
$777
Best flights from Oakland to BarcelonaDiscover carefully curated flight deals from Oakland to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Oakland to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:02 pm -
2 stops39h 58m
Fri 11/66:00 am -
2 stops24h 58m
Deal found 9/4![Delta logo]()
$715
This British Airways deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1711:51 am -
2 stops37h 39m
Thu 1/213:35 pm -
2 stops36h 50m
Deal found 9/8![British Airways logo]()
$946
This Icelandair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:10 am -
2 stops19h 30m
Sat 12/1212:25 pm -
2 stops17h 50m
Deal found 9/5![Multiple Airlines logo]()
$965
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops17h 45m
Tue 12/810:50 am -
2 stops22h 13m
Deal found 9/8![Delta logo]()
$762
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops17h 45m
Wed 12/910:50 am -
2 stops22h 13m
Deal found 9/8![Delta logo]()
$762
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/175:55 am -
2 stops17h 45m
Sun 1/3110:50 am -
2 stops22h 06m
Deal found 9/6![Delta logo]()
$766
This Icelandair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:40 pm -
2 stops39h 00m
Sat 12/1212:25 pm -
2 stops30h 55m
Deal found 9/5![Multiple Airlines logo]()
$982
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops23h 05m
Sat 12/51:10 pm -
2 stops43h 53m
Deal found 9/7![Delta logo]()
$815
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops23h 05m
Sun 12/66:00 am -
2 stops27h 03m
Deal found 9/8![Delta logo]()
$816
Last-minute flights from Oakland to BarcelonaDiscover last-minute flight deals from Oakland to Barcelona. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Oakland to Barcelona. Data last updated September 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
2 stops41h 45m
Mon 10/199:20 am -
2 stops47h 36m
Deal found 9/7![Delta logo]()
$857
This Booking.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:02 am -
2 stops30h 08m
Thu 10/1510:15 am -
2 stops21h 40m
Deal found 9/4![Multiple Airlines logo]()
$888
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:02 pm -
2 stops57h 08m
Mon 10/1911:10 am -
2 stops45h 46m
Deal found 9/7![Delta logo]()
$865
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:02 pm -
2 stops33h 08m
Mon 10/1911:10 am -
2 stops45h 46m
Deal found 9/7![Delta logo]()
$777
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:02 pm -
2 stops54h 58m
Mon 10/1911:10 am -
2 stops45h 46m
Deal found 9/7![Delta logo]()
$717
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
2 stops23h 50m
Mon 10/1911:10 am -
2 stops45h 46m
Deal found 9/7![Delta logo]()
$715
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:14 pm -
2 stops19h 21m
Wed 10/2110:45 am -
2 stops21h 10m
Deal found 9/5![Multiple Airlines logo]()
$799
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:02 am -
2 stops30h 08m
Thu 10/2210:15 am -
2 stops21h 40m
Deal found 9/8![Multiple Airlines logo]()
$859
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:04 am -
2 stops18h 41m
Wed 10/2812:00 pm -
2 stops29h 19m
Deal found 9/8![Multiple Airlines logo]()
$691
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:14 pm -
2 stops23h 11m
Sun 11/810:40 am -
2 stops21h 39m
Deal found 9/8![Multiple Airlines logo]()
$824
One-way flights from Oakland to BarcelonaSearch for one-way flight options from Oakland to Barcelona. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Oakland to Barcelona. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:55 am -
2 stops17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:55 am -
2 stops26h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:55 am -
2 stops42h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:55 am -
2 stops28h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:00 pm -
2 stops36h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:00 pm -
2 stops54h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
2 stops17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:55 pm -
2 stops29h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$427
This Justfly.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:05 pm -
2 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![British Airways logo]()
$430
This Ovago deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/61:18 pm -
2 stops20h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![British Airways logo]()
$449
This KAYAK deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:50 pm -
2 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![British Airways logo]()
$491
Find flight deals from Oakland to Barcelona
Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2026.
Round-trip from | $691 (American Airlines) |
|---|---|
One-way from | $329 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $813 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oakland to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Oakland to Barcelona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Sun 11/15
5:55 am-9:00 am
2 stops42h 05m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$335
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Sat 11/14
5:00 pm-2:55 pm
2 stops36h 55m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$345
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Fri 11/13
5:00 pm-8:40 am
2 stops54h 40m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$351
Quickest round-trip
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Thu 11/12
5:55 am-8:40 am
2 stops17h 45m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Fri 10/30
12:22 pm-7:55 pm
2 stops23h 33m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$507
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Thu 10/29
12:22 pm-6:30 pm
2 stops22h 08m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$512
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Mon 10/5
7:02 am-10:55 am
2 stops18h 53m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$520
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Tue 10/6
6:00 am-3:35 pm
2 stops24h 35m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$525
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Sun 10/4
6:00 am-5:10 pm
2 stops26h 10m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$525
OaklandBarcelona
OAK Oakland - BCN Barcelona-El Prat
OAKBCN
Oakland
Thu 10/1
12:39 pm-11:10 am
2 stops61h 31m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$596
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Oakland to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from Oakland with our price prediction graph.
OAK-S37
OAK-BCN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Oakland to Barcelona
OAK-S37
OAK-BCN
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Oakland to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Oakland
Popular flights